A "Error in optical system." Message Is Displayed

Are you using the AC adapter and cables that are bundled with the ScanSnap?

Use only the AC adapter and cables that are bundled with the ScanSnap.

Is the glass of the ScanSnap dirty?

Clean the glass of the ScanSnap.

For details about how to perform cleaning, refer to Daily Care.

For details about how to perform cleaning, refer to Cleaning the ScanSnap.

Are you using a USB hub or an extension cable?

If you are using a USB hub or an extension cable, connect the ScanSnap directly to the computer via a USB cable.

An error may have occurred in the ScanSnap

Disconnect all the cables from the ScanSnap, reconnect them after 10 minutes, and then check if the problem is solved.

Reset the ScanSnap by pressing the [Scan/Stop] button on the ScanSnap and the WPS button at the back of the ScanSnap at the same time for more than 5 seconds, and then check if the problem is solved.